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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 

83 Leonis

Altitude: -34.5°   Azimuth: 344.9°   Direction: North-North-West

83 Leonis is a multiple hypergiant star in the constellation of Leo.

83 Leonis visual magnitude is 6.5. Because of its reltive faintness, 83 Leonis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 83 Leonis is -0.724 arcsec per year in Right Ascension and 0.18 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 83 Leonis star
DSS2 image of 83 Leonis. The red arrow shows the motion of 83 Leonis during the next 1000 years (-12.07 arcmin in Right Ascension and 3.00 arcmin in declination);

Key facts about 83 Leonis

6.5
Hypergiant

83 Leonis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.5°
Azimuth: 344.9°
Direction: North-North-West

Celestial coordinates and finder chart of 83 Leonis

83 Leonis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 83 Leonis are provided in the following table:

11h 26m 45s
+03° 00’ 47”
259.28°
58.52°
Leo

The simplified sky map below shows the position of 83 Leonis in the sky:

Finder chart 83 Leonis star
Simplified finder chart for 83 Leonis.

Visibility of 83 Leonis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 83 Leonis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 87.0°
Max altitude: 41.5°
Azimuth: 273.0°

Distance of 83 Leonis from the Sun and relative movement

83 Leonis is distant 57.61 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

17.67 pc
57.61 ly
-3 km/s
-0.724 arcsec/year
0.18 arcsec/year

Spectral properties of 83 Leonis

83 Leonis belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.

5.26
K0IV
5311K

The red dot in the diagram below shows where 83 Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 83 Leonis. Attribution: Richard Powell / CC BY-SA

83 Leonis star system properties

83 Leonis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 83 Leonis double sysyem:

6.5
7.6
1.1
28.5 arcsec

Alternative designations of 83 Leonis

SAO118864
SAO118864
Gl 429 A